89433638496 has 72 divisors (see below), whose sum is σ = 260530039224. Its totient is φ = 29084106240.

The previous prime is 89433638491. The next prime is 89433638509. The reversal of 89433638496 is 69483633498.

89433638496 is a `hidden beast` number, since 89 + 4 + 3 + 3 + 63 + 8 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89433638491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3775186 + ... + 3798801.

It is an arithmetic number, because the mean of its divisors is an integer number (3618472767).

Almost surely, 2^89433638496 is an apocalyptic number.

It is an amenable number.

89433638496 is an abundant number, since it is smaller than the sum of its proper divisors (171096400728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89433638496 is a wasteful number, since it uses less digits than its factorization.

89433638496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574044 (or 7574033 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 89433638496 in words is "eighty-nine billion, four hundred thirty-three million, six hundred thirty-eight thousand, four hundred ninety-six".